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Levante (Alicante and Murcia) · about 11 km from Cartagena

Cueva de Neptuno (Cueva de la Virgen)

  • Max depth15 m
  • CertificationCavern
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The dive

A sea cave that connects through a sump to an inner lake with clear blue water. In calm seas you can see the fresh and salt water separate (halocline).

Profile and sections

A sea cave that connects through a sump to an inner lake with clear blue water. In calm seas you can see the fresh and salt water separate (halocline). Level: advanced, according to Murcia tourism.

Depth and profile
Entrance -15 m, max ~-15 m. Length not published.
Configuration
All configurations from the sea; only light kit via the land route.
DPV: Not DPV-suitable (estimate)
Short cave: no gain.
Who can dive where
  • CaveAt least Cavern
  • Whole caveConfigurations: Backmount / twinset / Sidemount / CCR / Small cylinders / no-mount (speleo sumps)
  • Whole caveGoes down to 15 m (trimix or deco may be needed) · doesn't decide who may dive
Depends on water level or swell

This is how the planner decides who in your team may dive this cave. Rules your own trip adds (organizer, a mail, the AI) show with your trip.

How to get there

From the sea: underwater entrance at -15 m (by boat; kayakers paddle there from El Portús beach). Overland: climb to a rope and descend (~5 m step, abseil) to the lake inside the cave; a safety rope is needed.

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Around Cueva de Neptuno (Cueva de la Virgen)

FillsNo fill station known nearby
Where to sleepAround Cartagena on Booking.com ↗

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Caves nearby2 within 10 km

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Sources, sharing and disclaimer

Sources

Current conditions

Visibility, flow and water levels change quickly. Right before your dive, check what other divers report:

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Certification requirements, configurations and trimix depths are estimates for planning. Always check them locally and dive within your training. Compiled from web research (Alicante province cave catalogue, CENM catastro and Grupo Cueva del Agua in Murcia, Benitatxell town hall, Región de Murcia tourism, MAPA/BOE, caving clubs, dive centres and news; Sept 2026), and for the Cueva del Elefante the site of the Celacanto dive centre in Altea (Oct 2026). Pins from caving catalogues (converted from ED50) and OpenStreetMap; ~ = estimate. Rules change – check locally.